CSV Viewer
View and edit CSV files
100% private — everything stays in your browser
Drag & drop files here or click to browse
Select one file — or Ctrl+V to paste
How to use CSV Viewer
- 1 Upload your file — Drag and drop your file into the upload area above, or click to browse your device.
- 2 Process instantly — Your file is processed right in your browser — nothing is uploaded to any server.
- 3 Download the result — Click download to save your result. Your files never left your device.
Frequently asked questions
- Is there a file size limit?
- There's no server-imposed limit since everything runs on your device. The practical limit depends on your browser's available memory — most files up to a few hundred MB work fine.
- Does this work offline?
- Once the page loads, yes. All processing is JavaScript running in your browser — no server calls are made. You can disconnect from the internet and the tool will still work.